Serous Cystadenocarcinoma

**Semantic type:** Neoplastic Process

**Definition:** A malignant serous cystic neoplasm usually involving the ovary or the pancreas. It is characterized by the presence of invasive malignant glandular epithelial cells which often form papillary structures.

**Synonyms:** - Serous Adenocarcinoma - Serous adenocarcinoma, NOS - Serous cystadenocarcinoma, NOS